verb
1.
to give a hint or indication of something to come
social unrest that adumbrated the revolt
Synonyms: foreshadow, hint, prefigurate, prefigure, shadow (forth); compare suggest 5
Related Word: augur, bode, forebode, foretell, portend, presage; lower, menace, threaten; symbolize, typify
Idioms: cast its shadow before
2.
Synonyms: foretell , augur, call, forecast, portend, predict, presage, prognosticate, prophesy, vaticinate
Related Word: argue, bespeak, betoken, indicate
3.
Synonyms: sketch , block (out), chalk (out), characterize, draft, outline, rough (out), skeleton, skeletonize
4.
Synonyms: suggest 5, shadow (forth)
Related Word: denote, mean, signify
5.
Synonyms: obscure , becloud, cloud, darken, dim, fog, mist, murk, obfuscate, shadow